Browsing Publikační činnost pracovníků VUT v Brně by Title
Now showing items 1-20 of 1699
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A 0.3-V 98-dB Rail-to-Rail OTA in 0.18 um CMOS
(IEEE, 2020-02-06)A new solution for an ultra-low-voltage, ultra-low-power operational transconductance amplifier (OTA) is presented in the paper. The design exploits a three-stage structure with a Reversed Miller Compensation Scheme, where ... -
0.3-V Nanopower Biopotential Low-Pass Filter
(IEEE, 2020-06-29)This paper presents a compact power-efficient CMOS fourth-order low-pass filter suitable for electrocardiogram (ECG) acquisition systems. The CMOS structure of the proposed filter utilize the bulkdriven technique and ... -
0.3V Bulk-driven current conveyor
(IEEE, 2019-05-15)This paper presents the design and the experimental results of a sub 0.5 V bulk-driven (BD) current conveyor (CCII) using 0.18 µm TSMC CMOS technology with total chip area of 0.0134 mm2. All transistors are biased in ... -
A 1 V 92 dB SNDR 10 kHz Bandwidth Second-Order Asynchronous Delta-Sigma Modulator for Biomedical Signal Processing
(MDPI, 2020-07-25)In this paper, a second-order asynchronous delta-sigma modulator (ADSM) is proposed based on the active-RCintegrators. The ADSM is implemented in the 0.18 µ m CMOS Logic or Mixed-Signal/RF, General Purpose process from the ... -
2D and 3D numerical modelling of internal flow of Pressure-swirl atomizer
(EDP Sciences, 2019-06-28)This paper compares 2D axisymmetric and 3D numerical models used to predict the internal flow of a pressure-swirl atomizer using a commercial software Ansys Fluent 18.1. The computed results are compared with experimental ... -
2D Model of Capillary Transport of Water in Aerated Concrete
(Trans Tech Publications, 2013-01-08)Saturation degree of aerated concrete strongly affects not only all its thermal-technica properties, but regarding to the risk of freezing, also the strength properties. The aim of this paper is to discuss existing approaches ... -
A 3D Microfluidic Chip for Electrochemical Detection of Hydrolysed Nucleic Bases by a Modified Glassy Carbon Electrode
(MDPI AG, POSTFACH, CH-4005 BASEL, SWITZERLAND, 2015-02-01)Modification of carbon materials, especially graphene-based materials, has wide applications in electrochemical detection such as electrochemical lab-on-chip devices. A glassy carbon electrode (GCE) modified with chemically ... -
3D Morphology of Fracture Surfaces Created by Mixed-mode II+III Fatigue Loading in Metallic Materials
(Elsevier, 2014-06-25)This paper presents results of 3Dfractographical analysis of shear-mode fatigue cracks in ARMCO iron, alpha-titanium, nickel and the X5CrNi18-10 steel. Observation of crack paths on a microscopic level enables us to reveal ... -
3D Reconstruction of the Surface using a Standard Camera
(Hindawi ltd, England, 2017-12-17)This paper deals with 3D reconstructions of series of partially focused images. Some of these methods are known in case of images which were acquired is small field of view. -
A 3D Scan Model and Thermal Image Data Fusion Algorithms for 3D Thermography in Medicine
(NEUVEDEN, 2017-11-08)Objectives. At present, medical thermal imaging is still considered a mere qualitative tool enabling us to distinguish between but lacking the ability to quantify the physiological and nonphysiological states of the body. ... -
60-GHz Millimeter-Wave Propagation Inside Bus: Measurement, Modeling, Simulation, and Performance Analysis
(IEEE, 2019-06-24)Millimeter-wave (mmWave) transmission over the unlicensed 60-GHz spectrum is a potential solution to realize high-speed internet access, even inside mass transit vehicles. The solution involves communication between users ... -
An Ab Initio Study of Connections between Tensorial Elastic Properties and Chemical Bonds in Sigma5(210) Grain Boundaries in Ni3Si
(2018-11-13)Using quantum-mechanical methods we calculate and analyze (tensorial) anisotropic elastic properties of the ground-state configurations of interface states associated with Sigma5(210) grain boundaries (GBs) in cubic ... -
An Ab Initio Study of Pressure-Induced Reversal of Elastically Stiff and Soft Directions in YN and ScN and Its Effect in Nanocomposites Containing These Nitrides
(MDPI, 2018-12-01)Using quantum-mechanical calculations of second- and third-order elastic constants for YN and ScN with the rock-salt (B1) structure, we predict that these materials change the fundamental type of their elastic anisotropy ... -
About v-i Pinched Hysteresis of Some Non-Memristive Systems
(Hindawi, 2018-09-24)A special subset of two-terminal elements providing pinched hysteresis loops in the voltage-current plane with the lobe area increasing with the frequency is analysed. These devices are identified as non-memristive systems ... -
Acceptability and sensory evaluation of energy bars and protein bars enriched with edible insect
(HACCP Consulting, 2018-04-24)For consumers, one of the basic criteria of choosing a foodstuff, apart from nutritional values, is their taste and smell. In edible insect as a novel food, these criteria are not quite decisive. The main criterion in the ... -
Accumulation of Poly(3-hydroxybutyrate) Helps Bacterial Cells to Survive Freezing
(PLoS, 2016-06-17)Accumulation of polyhydroxybutyrate (PHB) seems to be a common metabolic strategy adopted by many bacteria to cope with cold environments. This work aimed at evaluating and understanding the cryoprotective effect of PHB. ... -
An accuracy analysis of the front tracking method and interface capturing methods for the solution of heat transfer problems with phase changes
(IOP Publishing, 2016-06-19)Materials undergoing a phase change have a number of applications in practice and engineering. Computer simulation tools are often used for investigation of such heat transfer problems with phase changes since they are ... -
Accurate constant phase elements dedicated for audio signal processing
(MDPI, 2019-11-15)This review paper introduces real-valued two-terminal fully passive RC ladder structures of the so-called constant phase elements (CPE). These lumped electronic circuits can be understood as two-terminal elements described ... -
Accurate simulation of transcranial ultrasound propagation for ultrasonic neuromodulation and stimulation
(NEUVEDEN, 2017-03-13)Neinvazivní neurostimulace pomocí ultrazvuku je nové technika s širokým uplatněním při výzkumu mozku. Tato práce vyšetřuje možnosti cíleného zaměření svazku ultrazvukových vln a korekce aberací způsobné průchodem skrze lebku -
An Acetylcholinesterase-Based Chronoamperometric Biosensor for Fast and Reliable Assay of Nerve Agents
(MDPI, 2013-09-01)The enzyme acetylcholinesterase (AChE) is an important part of cholinergic nervous system, where it stops neurotransmission by hydrolysis of the neurotransmitter acetylcholine. It is sensitive to inhibition by organophosphate ...